edit css by id code example
Example 1: css id
<style>
#your_id{
color: blue;
font-size: 24px;
}
</style>
<h1 id="your_id">Example text</h1>
Example 2: css how to style id
/*put a # infront of the id*/
/*<section id="example"></section>*/
#example{
margin: auto;
}